C#

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Outlook = Microsoft.Office.Interop.Outlook;

namespace testing1
{
    public partial class Form1 : Form
    {
        Outlook.Application oApp = new Outlook.Application();
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }
        private void FindContactEmailByName(string firstName, string lastName)
        {
            Outlook.NameSpace outlookNameSpace = oApp.GetNamespace("MAPI");
            Outlook.MAPIFolder contactsFolder = outlookNameSpace.GetDefaultFolder(Microsoft.Office.Interop.Outlook.OlDefaultFolders.olFolderContacts);

            Outlook.Items contactItems = contactsFolder.Items;

            try
            {
                Outlook.ContactItem contact = (Outlook.ContactItem)contactItems.Find(String.Format("[FirstName]='{0}' and " + "[LastName]='{1}'", firstName, lastName));
                if (contact != null)
                {
                    contact.Display(true);
                }
                else
                {
                    MessageBox.Show("The contact information was not found.");
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            FindContactEmailByName("Tom", "Lee");
        }

    }
}

private void NT_FormClosed(object sender, FormClosedEventArgs e)
        {
                MessageBox.Show("Do you want to close the program?", "", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question,MessageBoxDefaultButton.Button2);                 {
                    if(DialogResult == DialogResult.Yes)                    
{
                        Save(sender);
                    }
                    if (DialogResult == DialogResult.Cancel)
                    {
                        Break; :doh: 
                    }
                }
            }           

private void WndSearchResults_FormClosing(object sender, FormClosingEventArgs e)
{
    if (bgDatabaseSearcher.IsBusy)
    {
         if (MessageBox.Show(Resources.msgSearchActive_WindowClosing, "Question",
 MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No)
         {
             e.Cancel = true;
             return;
         }
         else
         {
             bgDatabaseSearcher.CancelAsync();
             while (bgDatabaseSearcher.IsBusy) 
                  Thread.Sleep(500);
         }
    }
}

private void bgDatabaseSearcher_DoWork(object sender, DoWorkEventArgs e)
        {
            VFS virtualFS = new VFS();

            foreach (ListEntry entry in imagesToSearch)
            {
                try
                {
                    virtualFS.OpenConnection(Path.Combine(AppSettingsManager.ImagesDirectory, entry.imageDbPath));
                    foreach (VFSSearchTerm searchTerm in termsToSearch)
                    {
                        virtualFS.SearchVFS(searchTerm, searchOptions, SearchResultProcessor, entry.imageID);
                        if (bgDatabaseSearcher.CancellationPending) /* The control 
doesn't reach this point if a call to CancelAsync() has been made from the form closing event. */
                        {
                            virtualFS.CloseConnection(true);
                            return;
                        }
                    }
                }
                finally
                {
                    virtualFS.CloseConnection(true);
                }
            }
        }